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BadBox rapidly grows, 190,000 Android devices infected

Security Affairs

The bot conducts ad fraud by accessing websites in the background and operates as a residential proxy, sharing the users internet connection for criminal activities, which can link the users IP address illegal activities. BadBox can also download additional payloads, amplifying the risks for the users.

Firmware 143
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PTZOptics cameras zero-days actively exploited in the wild

Security Affairs

Affected devices use VHD PTZ camera firmware < 6.3.40 GreyNoise also observed an instance of an attack using wget to download a shell script for reverse shell access. “Organizations using VHD PTZ camera firmware < 6.3.40 “Organizations using VHD PTZ camera firmware < 6.3.40

Firmware 123
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New Mirai botnet targets TBK DVRs by exploiting CVE-2024-3721

Security Affairs

“The request contains a malicious command that is a single-line shell script which downloads and executes an ARM32 binary on the compromised machine.” “Most of these bots don’t stay active after the device restarts because some device firmware doesn’t allow changes to the file system. ” reads the analysis.

IoT 138
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MoonBounce: the dark side of UEFI firmware

SecureList

At the end of 2021, we were made aware of a UEFI firmware-level compromise through logs from our Firmware Scanner , which has been integrated into Kaspersky products since the beginning of 2019. This one is made up of implants found in the UEFI firmware within the SPI flash, a non-volatile storage external to the hard drive.

Firmware 145
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CosmicStrand: the discovery of a sophisticated UEFI firmware rootkit

SecureList

One of the main draws towards malware nested in such low levels of the operating system is that it is extremely difficult to detect and, in the case of firmware rootkits, will ensure a computer remains in an infected state even if the operating system is reinstalled or the user replaces the machine’s hard drive entirely.

Firmware 145
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A new Mirai botnet variant targets DigiEver DS-2105 Pro DVRs

Security Affairs

. “Using a Mirai malware variant that incorporates ChaCha20 and XOR decryption algorithms, it has been seen compromising vulnerable Internet of Things (IoT) devices in the wild, such as the DigiEver DVR, and TP-Link devices through CVE-2023-1389.” dyn” for C2 communication. in newer ones. ” concludes the report.

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Dynamic analysis of firmware components in IoT devices

SecureList

As a rule, this means that the source code of the device’s firmware is unavailable and all the researcher can use is the user manual and a few threads on some user forum discussing the device’s operation. The vulnerability assessment of IoT/IIoT devices is based on analyzing their firmware.

Firmware 125